Next subsection, if the position is based on a probationary period enter that period of time here. For example, you may enter 3 months or 30 days.A sample letter offering a job contingent upon the results of a background check or other criteria. Create your perfect, professional job offer letter with these five easytocustomize templates from Wizehire. As a Classified employee in a benefits eligible position, the first six months of employment at UTSA will be probationary. "Thank you for providing the opportunity to work in your company for 3 months in the probation period. I have learned a lot working here. Need help drafting a job offer letter? Some employers do that during the probation to minimize their investment into an employee that might not work out. What is their job title and proposed start date?